A. Thermal conductivity cell
B. Mass spectrometer
C. Polarograph
D. Hot wire anemometer
Related Mcqs:
- A pyranometer is an instrument used for measuring the___________________?
A. Beam radiation
B. Global radiation
C. Bright sunshine period
D. None of these - Operating range of a temperature measuring instrument is 800 to 1600°C. It could be a/an _____________ pyrometer?
A. Radiation
B. Optical
C. Photoelectric
D. None of these - A pyrheliometer is an instrument used for measuring the_________________?
A. Bright sunshine period
B. Beam radiation
C. Diffuse radiation
D. None of these - Which is the most suitable instrument for measuring pressure below 3 microns ?
A. Mcleod gauge
B. Alphatron
C. Ionisation gauge
D. Bourdon gauge - For measuring the temperature of a red hot furnace, which is the most suitable instrument ?
A. Platinum resistance thermometer
B. Thermocouple
C. Optical pyrometer
D. Bimetallic thermometer - Pick out the most suitable instrument for measuring temperature in the range of-40 to 425°C ?
A. Mercury thermometer
B. Bimetallic thermometer
C. Radiation pyrometer
D. None of these - Ordinary mercury in glass thermometer is used for measuring temperature upto 120°C. However, for measuring higher temperature upto __________ °C, thermometer is made by filling nitrogen under pressure above the mercury, which stops the evaporation of mercury and reduces the chance of broken thread of mercury?
A. 250
B. 350
C. 550
D. 700 - Which of the following judges the accuracy of an instrument ?
A. Dead zone
B. Drift
C. Static error
D. None of these - Which of the following is the dynamic characteristics of an instrument ?
A. Reproducibility
B. Sensitivity
C. Dead zone
D. Fidelity - Which of the following is an undesirable dynamic characteristic of an instrument ?
A. Reproducibility
B. Dead zone
C. Time lag
D. Static error
